Log Message:
Update contao30 and contao30-example to 3.0.3.

Version 3.0.3 (2013-01-08)
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### Fixed
Do not separate a style sheet with a font-face selector if the definition is
invisible or the media type of the style sheet is "all" (see #5216).

### Fixed
Looking for theme templates broke the install routine (see #5210).

### Fixed
Correctly handle empty newsletter channel selections.